164223344898 has 48 divisors (see below), whose sum is σ = 387459820800. Its totient is φ = 50071724640.

The previous prime is 164223344863. The next prime is 164223344899. The reversal of 164223344898 is 898443322461.

It is a happy number.

164223344898 is a `hidden beast` number, since 1 + 64 + 22 + 33 + 448 + 98 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164223344899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8269138 + ... + 8288973.

It is an arithmetic number, because the mean of its divisors is an integer number (8072079600).

Almost surely, 2^164223344898 is an apocalyptic number.

164223344898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164223344898 is an abundant number, since it is smaller than the sum of its proper divisors (223236475902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164223344898 is a wasteful number, since it uses less digits than its factorization.

164223344898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558167 (or 16558164 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 164223344898 in words is "one hundred sixty-four billion, two hundred twenty-three million, three hundred forty-four thousand, eight hundred ninety-eight".